perf: harden runtime for weaker hardware

tools/quality.ps1

@@ -25,6 +25,9 @@ $CROSS_PLATFORM_PLUGIN_FILES = @(
   "addons/terrain_3d/bin/libterrain.windows.release.x86_64.dll"
 )
 $REQUIRED_GODOT_SERIES = "4.7"
+$RUNNING_ON_MACOS = [Runtime.InteropServices.RuntimeInformation]::IsOSPlatform(
+  [Runtime.InteropServices.OSPlatform]::OSX
+)
 
 function Exit-Quality {
   param([int]$ExitCode)
@@ -182,6 +185,31 @@ function To-ResPath($p) {
   return "res://$p"
 }
 
+function Test-AllowedScenarioDiagnostic {
+  param([string]$Diagnostic)
+
+  # Godot 4.7 can fail to read the system certificate store on macOS when HOME
+  # is intentionally isolated. Scenario tests do not perform network access.
+  if ($script:RUNNING_ON_MACOS -and
+    $Diagnostic -ceq 'ERROR: Condition "ret != noErr" is true. Returning: ""') {
+    return $true
+  }
+
+  # Pinned Terrain3D 1.0.2 invokes this Godot 4.7 compatibility method while
+  # loading its vendored GDExtension. Remove this exception with that vendor fix.
+  if ($Diagnostic -ceq 'WARNING: instance_reset_physics_interpolation() is deprecated.') {
+    return $true
+  }
+
+  # Godot 4.7's dummy headless renderer retains exactly one DummyShader RID at
+  # process teardown. A different RID type or count remains a gate failure.
+  if ($Diagnostic -ceq "ERROR: 1 RID allocations of type 'N13RendererDummy15MaterialStorage11DummyShaderE' were leaked at exit.") {
+    return $true
+  }
+
+  return $false
+}
+
 function Invoke-GodotWithTimeout {
   param(
     [string]$ArgumentString,
@@ -437,6 +465,36 @@ foreach ($test in $scenarioTests) {
     $ERRORS += "scenario: $($test.Name) failed or timed out"
   }
 }
+$compatibilityTest = "jajce_presentation_quality_test.gd"
+$compatibilityLabel = "$compatibilityTest (gl_compatibility)"
+Add-Content -Path "$LOG/scenarios.log" -Value "[RUN] $compatibilityLabel" -Encoding utf8
+$compatibilityArgs = "--headless --rendering-method gl_compatibility --path `"$ROOT`" --script res://tests/$compatibilityTest"
+$compatibilityOutput, $compatibilityExit = Invoke-GodotWithTimeout -ArgumentString $compatibilityArgs
+$compatibilityOutput | Add-Content -Path "$LOG/scenarios.log" -Encoding utf8
+if ($compatibilityExit -eq $null -or $compatibilityExit -ne 0) {
+  $scenarioResult = "FAIL"
+  $ERRORS += "scenario: $compatibilityLabel failed or timed out"
+}
+$unexpectedScenarioDiagnostics = @()
+$currentScenario = "unknown scenario"
+foreach ($rawLine in Get-Content -Path "$LOG/scenarios.log") {
+  if ($rawLine.StartsWith('[RUN] ')) {
+    $currentScenario = $rawLine.Substring(6)
+    continue
+  }
+  $diagnostic = $rawLine.Trim()
+  if ($diagnostic -cnotmatch '^(?:(?:SCRIPT )?ERROR|WARNING):') { continue }
+  if (-not (Test-AllowedScenarioDiagnostic $diagnostic)) {
+    $unexpectedScenarioDiagnostics += "$currentScenario`: $diagnostic"
+  }
+}
+if ($unexpectedScenarioDiagnostics.Count -gt 0) {
+  $scenarioResult = "FAIL"
+  $ERRORS += "scenario: Godot reported $($unexpectedScenarioDiagnostics.Count) unallowlisted ERROR/WARNING diagnostic(s)"
+  foreach ($diagnostic in $unexpectedScenarioDiagnostics | Select-Object -First 20) {
+    $ERRORS += "scenario: $diagnostic"
+  }
+}
 $scenarioLoadError = Select-String -Path "$LOG/scenarios.log" -Pattern 'SCRIPT ERROR:|Parse Error:|Failed to load script' -Quiet
 if ($scenarioLoadError) {
   $scenarioResult = "FAIL"